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Space News Mission Log — Satellite Launches, Orbital Events & Analysis

Daily space news, satellite launch reports, orbital debris analysis and weekly roundups — grounded in live tracking data from our network monitoring 185 published reports.

Aerial view of Kennedy Space Center with launch pads and facilities under a clear blue sky.
Orbital Events

The Cosmos-Iridium Collision: A Landmark Satellite Crash

The Cosmos-Iridium collision in 2009 marked the first major satellite crash, significantly impacting space debris management and satellite operations.

· 2 min
Satellite Radar Measures Tohoku, Japan Earthquake
Satellite Spotlight

Envisat: The Giant Dead ESA Satellite and Collision Risk

Envisat, launched by the European Space Agency (ESA) on 1 March 2002, was one of the largest Earth observation satellites ever constructed. With a mass of approximately 8,200 kilograms, it carried ten sophisticated optical and radar instruments to monitor the Earth's land, atmosphere, oceans, and ic

· 2 min
Animation depicting improved sea height measurements by successive satellite altimeters over four decades.
Satellite Spotlight

Envisat: The Giant Dormant ESA Satellite and Collision Risk

Envisat, launched by the European Space Agency (ESA) in 2002, was one of the largest Earth observation satellites ever constructed. With a mass of approximately 8,211 kilograms and dimensions comparable to a double-decker bus, Envisat was equipped with ten sophisticated instruments designed to monit

· 2 min
Animation depicting advancements in sea height measurement clarity by satellite altimeters over four decades.
Satellite Spotlight

Envisat: The Giant Dormant Satellite and Its Collision Risk

Envisat, launched by the European Space Agency (ESA) on 1 March 2002, was one of the largest Earth observation satellites ever constructed. With a mass of approximately 8,211 kilograms and dimensions akin to a double-decker bus, Envisat carried ten sophisticated instruments designed to monitor the E

· 2 min
A vibrant orbital sunrise highlights Earth's atmosphere and the terminator line, seen from the International Space Station over the Pacific Ocean.
Orbital Events

Collision Avoidance Manoeuvres: Essential Guide for Space Safety

Collision avoidance involves manoeuvres to prevent satellites from colliding with space debris or other objects.

· 2 min
Artist's concept of NISAR satellite orbiting Earth, focusing on central and Northern California.
Orbital Events

Understanding Conjunction Assessment in Satellite Operations

Conjunction assessment predicts potential collisions between satellites and debris, ensuring safe operations in Earth's orbit.

· 2 min
Planetesimal Collison Around Star HD 166191 (Illustration)
Orbital Events

Understanding Kessler Syndrome: Space Debris Chain Reaction

Kessler syndrome refers to a scenario where space debris collisions create more debris, increasing collision risks exponentially.

· 2 min
View from base of payload fairing showing Roman Space Telescope beneath segmented interior.
Orbital Briefing

Roman Telescope Powers On as Tianhui Satellites Near Miss

The Roman Space Telescope has successfully powered on its Coronagraph Instrument, while Tianhui satellites narrowly avoid collision. Track satellite passes and space weather updates on Orbital Radar.

· 2 min
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Orbital Events

Space Debris: Understanding the Growing Threat in Orbit

Space debris refers to defunct human-made objects in orbit, posing risks to satellites and space missions.

· 2 min
A possible skylight in a lunar lava tube, located in the Moon's ancient volcanic Marius Hills region.
Orbital Briefing

NASA Eyes Marius Lunar Pit for Future Base

NASA selects GIMLI to explore Marius Lunar Pit for potential base. Starlink satellites narrowly avoid collision. Curiosity reaches new heights on Mars.

· 2 min
A CubeSat being released into Earth's orbit from a small satellite deployer in space.
Orbital Events

Understanding Mean Motion in Satellite Orbits

Mean motion describes the average angular speed of a satellite in its orbit, crucial for predicting satellite positions.

· 2 min
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